A new study has revealed that chronic sleep deprivation can actually cause the brain to eat itself. Michele Bellesi of the Marche Polytechnic University in Italy analysed the brains of mice who had regular sleep, spontaneous wake, sleep deprivation and chronic sleep deprivation. The results, published in the Journal of Neuroscience, found that the brain cells that destroy and digest worn-out cells and debris go into overdrive in mice th...